Home / 13,947.06-19,220.98-9,471.00

Finding the Fourth Proportional to 13,947.06, 19,220.98 and 9,471.00

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Solution

The fourth proportional to 13,947.06, 19,220.98 and 9,471.00 is: 13,052.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.06 : 19,220.98 = 9,471.00 : x
  2. Step 2: Convert to fraction form
    13,947.06/19,220.98 = 9,471.00/x
  3. Step 3: Cross multiply
    13,947.06x = 19,220.98 × 9,471.00
  4. Step 4: Simplify right side
    13,947.06x = 182,041,859.62
  5. Step 5: Solve for x
    x = 182,041,859.62/13,947.06
  6. Step 6: Final answer
    x = 13,052.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.